31138770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79843}}^1$

素因数の和:79866

約数の個数: 32

約数和(自身を含む): 80482752

約数和(自身を除く): 49343982

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 79843, 159686, 239529, 399215, 479058, 798430, 1037959, 1197645, 2075918, 2395290, 3113877, 5189795, 6227754, 10379590, 15569385, 31138770]

約数ペア:

[(1, 31138770), (2, 15569385), (3, 10379590), (5, 6227754), (6, 5189795), (10, 3113877), (13, 2395290), (15, 2075918), (26, 1197645), (30, 1037959), (39, 798430), (65, 479058), (78, 399215), (130, 239529), (195, 159686), (390, 79843)]